Barrel Upgrade
Now, let's talk barrel upgrades. This is a two-part conversation. First, you must decide if you want precision as a priority, or if you prefer reliability under the stresses of high volumes of fire as a priority.
If precision is your choice:
Get a stainless steel heavy barrel. 16" - 18" - 20" are all valid options. Get the midlength gas system on the 16" - but get rifle length gas systems on the 18" and 20".
1:8 twist is ideal. 1:7.7 and 1:7 are not bad.
No reason to get a 1:9 if precision is your desire. Make no mistake, a 1:9 can be just as accurate as a 1:8, the difference is that the 1:8 and 1:7 can shoot heavier bullets (which can be more accurate than lighter bullets). Usually, there is no cost difference.
Free float your barrel. More on this later.
If high-volume fire reliability is your choice:
Get a chrome-lined barrel. 14.5" - 16" - 20" will be your most common choices. Midlength gas system preferred on the shorter barrels, rifle length on the 20" barrel.
Get a "medium contour" or a "government profile" barrel. You've already degraded the accuracy, no need to pretend any more. You can still be good out to 500, so its fine. Save yourself the weight.
1:9 - 1:8 - 1:7 won't really matter much. If cost is no issue, get the 1:7.
Free float your barrel. More on this later.
,
If precision is your choice:
Get a stainless steel heavy barrel. 16" - 18" - 20" are all valid options. Get the midlength gas system on the 16" - but get rifle length gas systems on the 18" and 20".
1:8 twist is ideal. 1:7.7 and 1:7 are not bad.
No reason to get a 1:9 if precision is your desire. Make no mistake, a 1:9 can be just as accurate as a 1:8, the difference is that the 1:8 and 1:7 can shoot heavier bullets (which can be more accurate than lighter bullets). Usually, there is no cost difference.
Free float your barrel. More on this later.
If high-volume fire reliability is your choice:
Get a chrome-lined barrel. 14.5" - 16" - 20" will be your most common choices. Midlength gas system preferred on the shorter barrels, rifle length on the 20" barrel.
Get a "medium contour" or a "government profile" barrel. You've already degraded the accuracy, no need to pretend any more. You can still be good out to 500, so its fine. Save yourself the weight.
1:9 - 1:8 - 1:7 won't really matter much. If cost is no issue, get the 1:7.
Free float your barrel. More on this later.
,
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